High-Resolution Rotation Curves of Low Surface Brightness Galaxies. I. Data | Zendy

Stacy McGaugh | Zendy; Vera Rubin | Zendy; W. J. G. de Blok | Zendy

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High-Resolution Rotation Curves of Low Surface Brightness Galaxies. I. Data

Author(s) -

Stacy McGaugh,

Vera Rubin,

W. J. G. de Blok

Publication year - 2001

Publication title -

the astronomical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.61

H-Index - 271

eISSN - 1538-3881

pISSN - 0004-6256

DOI - 10.1086/323448

Subject(s) - surface brightness , galaxy rotation curve , brightness , rotation (mathematics) , physics , galaxy , astrophysics , magnitude (astronomy) , surface (topology) , resolution (logic) , astronomy , geometry , mathematics , galaxy formation and evolution , computer science , artificial intelligence

We present long slit Halpha observations of 50 low surface brightnessgalaxies. Of these, 36 are of sufficient quality to form rotation curves. Thesedata provide a large increase in the number of low surface brightness galaxiesfor which accurate rotation curves are available. They also represent an orderof magnitude improvement in spatial resolution over previous 21 cm studies (1"to 2" instead of 13" to 45"). The improved resolution and accuracy of the dataextend and strengthen the scientific conclusions previously inferred from 21 cmdata.

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